CONNECTING A SERIAL CABLE TO THE ADAPTER CARD
PCI-AC48 User’s Guide
10
Signal assignments for each port’s 10-pin connector are shown below. For each connector, signals
on pins 1–5 are duplicated on pins 6–10. Normally you use one set only; however, the second set
can be used for adding the adapter card to a daisy chain network.
IRQ + and IRQ – are optional inputs that can be used with mistic I/O systems to trigger an interrupt.
For more information, see
“Using External Interrupts for mistic Remote I/O” on page 19
.
Wiring the Connectors
1.
Choose the wiring diagram from the following pages based on how you will use the card:
–
RS-485 2-wire, two ports—
page 11
–
RS-485 4-wire, one port—
page 11
2.
To wire the connector, use a small screwdriver to hold down the small orange tab while you
insert the wire into the large hole next to the tab. See the illustration below.
Each serial port on the PCI-AC48
adapter card uses a removable
10-pin plug connector from
Phoenix Contact, part number
FK-MC 0.5 - 2.5.
1 2 3 4 5 6 7 8 9 10
Hole
Orange tab
Pin
1
2
3
4
5
6
7
8
9
10
Signal
RS-485 +
RS-485
–
Common
IRQ +
IRQ –
RS-485 +
RS-485
–
Common
IRQ +
IRQ –
Hole
Orange tab
